A d d i t i o n a l s a f e t y i n f o r m a t i o nCopyright © 2008 Nokia. All rights reserved. 91Only qualified personnel should service the device or install thedevice in a vehicle. Faulty installation or service may be dangerousand may invalidate any warranty that may apply to the device.Check regularly that all wireless device equipment in your vehicle ismounted and operating properly. Do not store or carry flammableliquids, gases, or explosive materials in the same compartment asthe device, its parts, or enhancements. For vehicles equipped with anair bag, remember that air bags inflate with great force. Do not placeobjects, including installed or portable wireless equipment in thearea over the air bag or in the air bag deployment area. If in-vehiclewireless equipment is improperly installed and the air bag inflates,serious injury could result.Using your device while flying in aircraft is prohibited. Switch offyour device before boarding an aircraft. The use of wirelessteledevices in an aircraft may be dangerous to the operation of theaircraft, disrupt the wireless telephone network, and may be illegal.■ Potentially explosive environmentsSwitch off your device when in any area with a potentially explosiveatmosphere, and obey all signs and instructions. Potentiallyexplosive atmospheres include areas where you would normally beadvised to turn off your vehicle engine. Sparks in such areas couldcause an explosion or fire resulting in bodily injury or even death.